Physics, 23.03.2020 17:56, clarajeansonels9987
A man pushes on a piano with mass 190 kgkg ; it slides at constant velocity down a ramp that is inclined at 18.0 ∘∘ above the horizontal floor. Neglect any friction acting on the piano. Calculate the magnitude of the force applied by the man if he pushes
(a) parallel to the incline and
(b) parallel to the floor.
Answers: 1
Physics, 22.06.2019 04:30, tayveon122
Light that is polarized along the vertical direction is incident on a sheet of polarizing material. only 96% of the intensity of the light passes through the sheet and strikes a second sheet of polarizing material. no light passes through the second sheet. what angle does the transmission axis of the second sheet make with the vertical?
Answers: 2
Physics, 22.06.2019 06:30, mehokkj
Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?
Answers: 1
Physics, 22.06.2019 10:00, starsinopoli13
How are the crust and the inner core alike? a) they are both solid. b) they both have the same temperature. c) they are both under the same pressure. d) they are both very close to the center of the earth.
Answers: 1
A man pushes on a piano with mass 190 kgkg ; it slides at constant velocity down a ramp that is incl...
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01
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Mathematics, 15.09.2020 01:01
Mathematics, 15.09.2020 01:01